Wearing behind the back

fasten the belt on hips, placing the carrier behind you. Shoulder straps might be prepared by fasten them to back panel

hold the baby on your hip

move your baby to your back carefully, holding its butt

put one of the straps on

put the other strap on and place the baby in a symmetrical way

spread shoulder straps carefully

use the connective strap to fix the shoulder straps

the front view might be like that